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Video over Ethernet - is it possible?

HI,

I'm helping a client set up a new office and in each office they have setup a wall mounted TV with some ethernet ports near by them.

On their desks they mostly have dual screens or more. They have requested. They have asked that at any point they at a switch of a button want to be able to output the display on any one of their screens to the TV screen which I'm told has an ethernet port.

This is completely new to me and I wonder if anyone knows how this is acheived?

Thanks (hope I've chosen the best zones for this)
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afflik1923
Asked:
afflik1923
3 Solutions
 
lherrouCommented:
afflik1923,

The short answer is yes, it's possible. In fact, it's pretty easy (and inexpensive) to use a CAT5 cable to carry a video signal - you need a baluns at each end to change the impedance from 75ohms (video) to 100ohms (CAT5) and back again.

The problem that you have is a bit more complex than that. You need to be able to send IP packets to the TV from any of a number of stations. In a simple network, something like this product might do the trick: http://www.amazon.com/External-Display-Networking-Video-Extender/dp/B002GHTJ20

However, since you are talking about multiple displays to one TV, you may need more advanced solutions. You might want to check out the TV and learn a bit more about the Ethernet port already on it, so you can find out what products will be compatible with it.

Cheers,
LHerrou
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PCableGuyCommented:
The ethernet port probably isn't for the TV display.
Can you post the make/model number of the TV?
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afflik1923Author Commented:
I'll have a better update Monday. the AV/ Comms guys have assured us it's possible. they say there is an adaptor for any TV. Not quite sure they have considered how the PC controls this but we will see i the meeting.
Thanks so far.
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MereteCommented:
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afflik1923Author Commented:
Will update on this soon.
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MereteCommented:
No worries thanks.
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CallandorCommented:
You can run any number of video formats over cat5: http://www.svideo.com/videobalun1.html.  I agree with PCCableGuy that the ethernet port on the TV is not for video, but probably for integrated online services so that you can use the TV like a simple computer.  The trick, as mentioned by lherrou, is to allow selecting from multiple inputs to one display.  If the multiple inputs are computer screens, then a KVM, as mentioned by Merete, is the logical choice, but then you need someone at the TV to choose the input.

If you want any of the input providers to choose to have their screen displayed, then the solution is much harder, and you would either be looking at a button switch on each desk custom wired to a KVM to replace the buttons on the KVM itself, or install a PC near the TV and control what is displayed via software like NetMeeting or other remote presentation software.
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afflik1923Author Commented:
Thanks for all the input. In the end another company dealing with this took the helm. Additional VGA ports needed to be added to the PC's tha requred this functionallity and also they needed to do other things. Still not working, but thankfully out of my hands.
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